/**
 * Copyright 2025 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef MINDSPORE_CCSRC_PLUGIN_DEVICE_ASCEND_ERROR_MANAGER_H
#define MINDSPORE_CCSRC_PLUGIN_DEVICE_ASCEND_ERROR_MANAGER_H

#include <memory>
#include <vector>
#include "acl/acl_base.h"
#include "base/base.h"
#include "plugin/ascend/res_manager/visible.h"
#include "utils/ms_utils.h"

namespace mindspore {
namespace device {
namespace ascend {
class ASCEND_RES_MANAGER_EXPORT SnapshotHelper {
 public:
  static SnapshotHelper &GetInstance();

  ~SnapshotHelper();
  DISABLE_COPY_AND_ASSIGN(SnapshotHelper)

  void Clear();

  void RecordEvent(aclrtStream stream);
  void StreamWaitEvent(aclrtStream stream);

 private:
  // singleton, make constructor private
  SnapshotHelper() = default;

  // async event for synchronization between compute stream and paramter's d2h copy stream
  aclrtEvent async_copy_event_ = nullptr;
};

}  // namespace ascend
}  // namespace device
}  // namespace mindspore

#endif  // MINDSPORE_CCSRC_PLUGIN_DEVICE_ASCEND_ERROR_MANAGER_H
